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a soild conducting sphere of radius 10cm is surrounded by thick concentric sherical conducting shell of ineer radius 15 cm and outer radius 20cm .the space between to spheres is filled with air . a) if a charge of 5nc is taken from outer conductor and placed on the inner conductor find potential differnce between two conductors and wht is capcitance between the two spheres. b)external charge are given to spheres such that potential of inner and outer spheres is90v and180v respectively . find charges on spheres.

a soild conducting sphere  of radius 10cm is surrounded by thick concentric sherical conducting shell of ineer radius 15 cm and outer radius 20cm .the space between to spheres is filled with air .


a) if a charge of 5nc is taken from outer conductor and placed  on the inner conductor  find potential differnce between two conductors and wht is capcitance between the two spheres.


b)external charge are given to spheres such that potential of inner and outer spheres is90v and180v  respectively . find charges on spheres. 

Grade:Upto college level

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